Home / 120,808.56-181,101.06-45,906.24

Finding the Fourth Proportional to 120,808.56, 181,101.06 and 45,906.24

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Solution

The fourth proportional to 120,808.56, 181,101.06 and 45,906.24 is: 68,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,808.56 : 181,101.06 = 45,906.24 : x
  2. Step 2: Convert to fraction form
    120,808.56/181,101.06 = 45,906.24/x
  3. Step 3: Cross multiply
    120,808.56x = 181,101.06 × 45,906.24
  4. Step 4: Simplify right side
    120,808.56x = 8,313,668,724.61
  5. Step 5: Solve for x
    x = 8,313,668,724.61/120,808.56
  6. Step 6: Final answer
    x = 68,816.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.